CVE-2023-21162

9.8 criticalEPSS 0.4%

Critical (9.8) in google android. EPSS 0.4% chance of exploitation in the next 30 days.

In RGXUnbackingZSBuffer of rgxta3d.c, there is a possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
Published: 2023-12-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

google:android

References

https://source.android.com/security/bulletin/2023-12-01
https://source.android.com/security/bulletin/2023-12-01

Check your stack JSON